The story of the red planet, it turns out, may be due for a revision. At one time, experts thought that Mars was covered with fields of rocks with iron trapped inside. Somehow or other, and over a ...

Mars is known as the Red Planet, but scientists are still learning about what gives the planet its distinctive color. New research shows why the planet's surface has its rusty hue, and the findings ...

Starting around 9 p.m., look to the western sky for Mars. The bright star Regulus, in the constellation Leo, will help guide you—Mars will appear about a degree away, roughly the width of your ...